题目内容
16.The lady in the sitting room be over sixty.She looks so young.( )| A. | can't | B. | must | C. | may | D. | needn't |
分析 在卧室的那位女士年龄不超过60岁.她看起来如此年轻.
解答 答案:A can't不可能;must一定,必须;may可能;needn't不必.肯定的推测用must或may,把握较大时用must,把握不大时用may; 否定的推测用can't.根据She looks so young.可知那位女士不超过60岁,表否定的推测.故选A.
点评 本题考查了情态动词的用法.解答时注意肯定的推测用must或may,把握较大时用must,把握不大时用may; 否定的推测用can't.
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